Nixon Mens The Sentry 38 Leather Watch - Black Features a Miyota Japanese quartz 3 hand movement. Its custom solid stainless steel case measures 38mm in width, has a 10ATM water resistance, and is fitted with a stainless steel bezel, hardened mineral crystal lens, double gasket crown, screw down case back and spring pin lugs which are all stainless steel. The strap is made from genuine leather for maximum comfort and finished with a stainless steel buckle. 3.8cm(Case Size). Comes complete in a Nixon presentation box.